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I am Lyosha [343]
3 years ago
11

Why is it Important that the chromosomes are doubled before mitosis

Biology
2 answers:
Sati [7]3 years ago
6 0
Mitosis separates the chromosomes into two different daughter cells.
Virty [35]3 years ago
3 0

Answer:

It is important for the doubling of chromosomes before mitosis because if they double then each daughter cell recieve same number of chromosome.

Explanation:

This doubling of chromosomes takes place in S phase I.e. synthesis where replication of chromosome occur.

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Cab someone complete this for me please x
sweet-ann [11.9K]

The answer is because biology is easy and they're known around the world.


6 0
3 years ago
However, when the proteins formed by the genes have their amino acids sequenced, there is no difference observed between the two
Musya8 [376]

Answer:

The correct answer is: Variation in nucleotide sequences are located in those regions of the gene which do not affect the sequence of the protein due to genetic code degeneracy.

Explanation:

  • Proteins are encoded from the genes located in the chromosomes.
  • The genes are made up of the heritable DNA (Deoxyribonucleic Acid) sequences.
  • These genes are transcribed by the enzyme called RNA polymerase into mRNA (messenger Ribonucleic Acid) sequences in the nucleus.
  • The mRNA is then translated into protein sequences by the Ribosome in the cytoplasm or the RER (Rough Endoplasmic Reticulum).
  • The Ribosome reads the mRNA code in form of triplets, that is, three consecutive nucleotide are read as a single code that encode for a single amino acid. This triplet code that responsible for coding for a single amino acid is called a Codon.
  • The Codons are degenerate in nature. This means that among the three nucleotide in a codon the first two nucleotide is specific for a particular amino acid. The third nucleotide is "wobble" in nature. This means that whatever may be the nucleotide in the third position it will not change the amino acid coded by the first two nucleotide.
  • Hence, a single amino acid is coded by more than one codon.
  • So, gene sequences showing variation in the wobble nucleotide position will encode for the same protein.
8 0
3 years ago
A hormone called _________ has been identified as a natural appetite suppressant.
NISA [10]
A hormon called leptin has been...
8 0
3 years ago
Fish and other aquatic life depend on oxygen gas dissolved in the water. which event is most likely to harm aquatic life by redu
RideAnS [48]

The mass flow of currents, or waters, are vital in understanding that how the movement of heat energy takes place between the water bodies of the Earth, atmosphere, and the landmasses.  

About 70 percent of the planet is covered with ocean and holds ninety-seven percent of its water, thus, forming the ocean an important element in the transfer and storage of heat energy through the planet.  

The motion of this heat via the global and local ocean currents influences the stabilization of global climatic patterns, the regulation of local weather conditions and temperature extremes, delivery of nutrients, and cycling of gases in the aquatic ecosystems.  

In the process, an influx of warm water, which elevates the temperature of the lake by 5 degree Celsius is most probably to affect the aquatic life by minimizing the concentration of oxygen in the water.  


4 0
3 years ago
Read 2 more answers
What is the name for when two different materials are mixed together but could be seperated again?
Lilit [14]

Answer:

Heterogeneous Mixtures

5 0
3 years ago
Read 2 more answers
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